prepare 0.6.0

Author: friedger

CHANGELOG.md

@@ -5,6 +5,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## Unrelease
+
+## [0.6.0] - 2020-10-13
 ### Added
 - additional parameters `sendToSignIn`, `appDetails` for `BlockstackSignIn`
 - `Context.getBlockstackSharedPreferences` to be used for `SessionStore`